<template>
  <div >
    <!-- 面包屑导航区域 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>数据统计</el-breadcrumb-item>
      <el-breadcrumb-item>数据报表</el-breadcrumb-item>
    </el-breadcrumb>

    <!-- 卡片视图区域 -->
    <div class="qqqqq">

    <el-card>
      <!-- 为 ECharts 准备一个定义了宽高的 DOM -->
      <div id="main" style="width: 600px; height: 400px"></div>
    </el-card>
    </div>
  </div>

</template>

<script>
import * as echarts from 'echarts'

import  _  from 'lodash'
export default {
  data() {
    return {
      option: {
        title: {
          text: '用户来源',
        },

        tooltip: {
          trigger: 'axis',
          axisPointer: {
            type: 'cross',
            label: {
              backgroundColor: '#6a7985',
            },
          },
        },
        grid: {
          left: '3%',
          right: '4%',
          bottom: '3%',
          containLabel: true,
        },
        xAxis: [
          {
            boundaryGap: false,
          },
        ],

        yAxis: [
          {
            type: 'value',
          },
        ],
      },
    }
  },
  //渲染完毕
  async mounted() {
    // 基于准备好的dom，初始化echarts实例
    var myChart = echarts.init(document.getElementById('main'))
    const { data: res } = await this.$http.get('reports/type/1')
    if (res.meta.status !== 200) {
      return this.message.error('获取失败')
    }
   var option={
      title: {
        text: 'ECharts 入门示例',
      },
      tooltip: {},
      legend: {
        data: ['销量'],
      },
      xAxis: {
        data: ['衬衫', '羊毛衫', '雪纺衫', '裤子', '高跟鞋', '袜子'],
      },
      yAxis: {},
      series: [
        {
          name: '销量',
          type: 'bar',
          data: [5, 20, 36, 10, 10, 20],
        },
      ],
    }
    //准备数据和配置项
    const result =_.merge(res.data,this.option)
    // 使用刚指定的配置项和数据显示图表。
    myChart.setOption(result)
  },
}
</script>

<style  scoped>
.qqqqq{
  position: relative;
  z-index: 1;
  display: inline-block;
}
.el-breadcrumb{
  position: relative;
  z-index: 1;
}
.el-card{
    margin-top: 1em;
  }
</style>
